Washington earthquakes

M1.6 earthquake 4 km SE of Oso, Washington

A magnitude 1.6 earthquake struck 4 km SE of Oso, Washington on Thu, Apr 7, 2005, 11:07 PM PDT (06:07 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.6 7 km ENE of Lake Roesiger, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-04-08 06:07:58 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
48.243° N, 121.880° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
69°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.58 km SW of Wilderness Rim, Washington · 7849 days ago · 21 km deep · 96 km away
  2. 1.65 km ESE of Oso, Washington · 7848 days ago · 9 km deep · 2 km away
  3. 1.81 km N of Maple Valley, Washington · 7848 days ago · 19 km deep · 94 km away
  4. 1.73 km NW of Kingston, Washington · 7845 days ago · 26 km deep · 67 km away
  5. 1.94 km SSW of Lake McMurray, Washington · 7840 days ago · 8 km deep · 28 km away
  6. 2.37 km ENE of Carnation, Washington · 7838 days ago · 17 km deep · 64 km away
  7. 1.93 km E of Sedro-Woolley, Washington · 7838 days ago · 2 km deep · 37 km away
  8. 1.51 km SE of Burlington, Washington · 7837 days ago · 20 km deep · 40 km away
  9. 2.17 km ENE of Carnation, Washington · 7836 days ago · 17 km deep · 64 km away
  10. 2.10 km ENE of Maple Valley, Washington · 7828 days ago · 7 km deep · 95 km away
  11. 2.39 km WNW of Port Townsend, Washington · 7826 days ago · 52 km deep · 74 km away
  12. 1.5Washington · 7825 days ago · 11 km deep · 8 km away
  13. 1.55 km SSW of Sudden Valley, Washington · 7818 days ago · 14 km deep · 60 km away
  14. 1.73 km N of Bangor Trident Base, Washington · 7818 days ago · 19 km deep · 83 km away
  15. 2.67 km ENE of Lake Roesiger, Washington · 7814 days ago · 17 km deep · 26 km away
  16. 2.66 km WSW of Camano, Washington · 7809 days ago · 27 km deep · 55 km away
  17. 1.76 km ENE of Marrowstone, Washington · 7800 days ago · 28 km deep · 58 km away
  18. 1.65 km NW of Sedro-Woolley, Washington · 7795 days ago · 11 km deep · 45 km away
  19. 1.55 km NW of Sedro-Woolley, Washington · 7795 days ago · 13 km deep · 44 km away
  20. 1.86 km NNE of Lake Marcel-Stillwater, Washington · 7792 days ago · 3 km deep · 55 km away
  21. 1.72 km NNE of Kirkland, Washington · 7792 days ago · 17 km deep · 64 km away

Before

  1. 2.03 km W of Coupeville, Washington · 7851 days ago · 19 km deep · 63 km away
  2. 2.02 km WSW of North Bend, Washington · 7852 days ago · 21 km deep · 84 km away
  3. 2.13 km W of Freeland, Washington · 7853 days ago · 62 km deep · 57 km away
  4. 1.81 km NE of Southworth, Washington · 7861 days ago · 23 km deep · 92 km away
  5. 1.51 km NW of Lake Stickney, Washington · 7862 days ago · 21 km deep · 49 km away
  6. 1.67 km WSW of Seattle, Washington · 7870 days ago · 22 km deep · 85 km away
  7. 1.97 km E of Abbotsford, Canada · 7873 days ago · 8 km deep · 93 km away
  8. 2.07 km SW of Port Hadlock-Irondale, Washington · 7879 days ago · 54 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10659363. Read Sun, Oct 4, 2026, 1:12 PM UTC.